Finding the Third Proportional to 468,400 and 1,027,840

Step by Step Solution

1. Step 1: Write the proportion equation
   468,400 : 1,027,840 = 1,027,840 : x
2. Step 2: Convert to fraction form
   468,400/1,027,840 = 1,027,840/x
3. Step 3: Cross multiply
   468,400x = 1,027,840 × 1,027,840
4. Step 4: Simplify right side
   468,400x = 1,056,455,065,600
5. Step 5: Solve for x
   x = 1,056,455,065,600/468,400
6. Step 6: Final answer
   x = 2,255,454.88